Home / 45,507.11-68,216.55-17,405.52

Finding the Fourth Proportional to 45,507.11, 68,216.55 and 17,405.52

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Solution

The fourth proportional to 45,507.11, 68,216.55 and 17,405.52 is: 26,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.11 : 68,216.55 = 17,405.52 : x
  2. Step 2: Convert to fraction form
    45,507.11/68,216.55 = 17,405.52/x
  3. Step 3: Cross multiply
    45,507.11x = 68,216.55 × 17,405.52
  4. Step 4: Simplify right side
    45,507.11x = 1,187,344,525.36
  5. Step 5: Solve for x
    x = 1,187,344,525.36/45,507.11
  6. Step 6: Final answer
    x = 26,091.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.